/*
 * Copyright 2008-2009 the original 赵永春(zyc@hasor.net).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * 提供了基于本地线程的数据库连接管理控制，该组建意图建立一种规则，该规则迫使不同数据源的数据库连接在一个线程中只能存在一份。
 */
package net.hasor.db.datasource.local;